1B -
Single
- hits
on which
the
batter
reached
first
base
safely
without
the
contribution
of a
fielding
error.
2B -
Double
- hits
on which
the
batter
reached
second
base
safely
without
the
contribution
of a
fielding
error.
3B -
Triple
- hits
on which
the
batter
reached
third
base
safely
without
the
contribution
of a
fielding
error.
AB -
At bat
-
Batting
appearances,
not
including
bases on
balls,
hit by
pitch,
sacrifices,
interference,
or
obstruction
AB/HR
At bats
per home
run
- at
bats
divided
by home
runs
BA -
Batting
average
(also
abbreviated
AVG)
- hits
divided
by at
bats
BB -
Base on
balls
(also
called a
"walk")
- times
receiving
four
balls
and
advancing
to first
base
BABIP
Batting
average
on balls
in play
-
frequency
of which
a batter
reaches
a base
after
putting
the ball
in the
field of
play.
Also a
pitching
category.
BB/K
-
Walk-to-strikeout
ratio
- number
of base
on balls
divided
by
number
of
strikeouts
XBH -
Extra
base
hits
-
doubles
plus
triples
plus
home
runs
FC -
Fielder's
choice
- times
reaching
base
when a
fielder
chose to
try for
an out
on
another
runner
GO/AO
-
Ground
ball fly
ball
ratio
- number
of
ground
ball
outs
divided
by
number
of fly
ball
outs
GDP
or GIDP
-
Ground
into
double
play
- number
of
ground
balls
hit that
became
double
plays
GPA -
Gross
Production
Average
- 1.8
times
on-base
percentage
plus
slugging
percentage,
divided
by four
GS -
Grand
Slam
- a
home run
with the
bases
loaded,
resulting
in four
runs
scoring,
and four
RBI
credited
to the
batter.
H -
Hits
- times
reached
base
because
of a
batted,
fair
ball
without
error by
the
defense
HBP -
Hit by
pitch
- times
touched
by a
pitch
and
awarded
first
base as
a result
HR -
Home
runs
- hits
on which
the
batter
successfully
touched
all four
bases,
without
the
contribution
of a
fielding
error.
IBB -
Intentional
base on
balls
- times
awarded
first
base on
balls
(see BB
above)
deliberately
thrown
by the
pitcher.
Also
known as
IW
(intentional
walk).
K -
Strike
out
- number
of times
that
strike
three is
taken or
swung at
and
missed,
or
bunted
foul
LOB -
Left on
base
- number
of
runners
not out
nor
scored
at the
end of
an
inning.
OBP -
On base
percentage
- times
reached
base (H
+ BB +
HBP)
divided
by at
bats
plus
walks
plus hit
by pitch
plus
sacrifice
flies
(AB + BB
+ HBP +
SF).
OPS -
On-base
plus
slugging
-
on-base
percentage
plus
slugging
average
PA -
Plate
appearance
- number
of
completed
batting
appearances
RC -
Runs
created
-
statistic
that
attempts
to
measure
how many
runs a
player
has
contributed
to his
team
RP -
Runs
produced
-
statistic
that
attempts
to
measure
how many
runs a
player
has
contributed
RBI -
Run
batted
in -
number
of
runners
who
scored
due to a
batters'
action,
except
when
batter
grounded
into
double
play or
reached
on an
error
RISP
-
Runner
In
Scoring
Position
- the
batter's
batting
average
with
runners
in
scoring
position
SF -
Sacrifice
fly
- number
of fly
ball
outs to
the
outfield
which
allow a
runner
already
on base
to score
SH -
Sacrifice
hit
- number
of
sacrifice
bunts
which
allows
another
runner
to
advance
on the
basepaths
or score
SLG -
Slugging
average
- total
bases
divided
by
at-bats
TA -
Total
average
- total
bases,
plus
walks,
plus hit
by
pitch,
plus
steals,
minus
caught
stealing
divided
by at
bats,
minus
hits,
plus
caught
stealing,
plus
grounded
into
double
play
TB -
Total
bases
- one
for each
single,
two for
each
double,
three
for each
triple,
and four
for each
home run
TOB -
Times on
base
- times
reaching
base as
a result
of hits,
walks,
and
hit-by-pitches
BsR -
Base
Runs
-
Another
run
estimator,
like
Runs
Created;
a
favorite
of
writer
Tom
Tango
XR -
Extrapolated
Runs
- A
linear
run
estimator
developed
by
Jim
Furtado
Baserunning
statistics
CS -
Caught
stealing
- times
tagged
out
while
attempting
to steal
a base
SB -
Stolen
base
- number
of bases
advanced
other
than on
batted
balls,
walks,
or hits
by pitch
-
DI -
Defensive
Indifference
- if
the
catcher
does
not
attempt
to
throw
out
a
runner
(usually
because
the
run
would
be
insignificant),
the
runner
is
not
awarded
a
steal
R -
Runs
scored -
times
reached
home
base
legally
and
safely
Pitching
statistics
BB -
Base on
balls
(also
called a
"walk")
- times
pitching
four
balls,
allowing
the
batter-runner
to
advance
to first
base
BB/9
-
Base on
balls
times
nine
divided
by
innings
pitched
(Bases
on balls
per 9
innings
pitched)
BF -
Total
batters
faced
-
opponent's
total
plate
appearances
BK -
Balk
- number
of times
pitcher
commits
an
illegal
pitching
action
or other
illegal
action
while in
contact
with the
pitching
rubber,
thus
allowing
baserunners
to
advance
BS -
Blown
save
- number
of times
entering
the game
in a
save
situation,
and
being
charged
the run
(earned
or not)
which
eliminates
his
team's
lead
CERA
-
Component
ERA
- an
estimate
of a
pitcher's
ERA
based
upon the
individual
components
of his
statistical
line (K,
H, 2B,
3B, HR,
BB, HBP)
CG -
Complete
game
- number
of games
where
player
was the
only
pitcher
for his
team
DICE
-
Defense-Independent
Component
ERA
- an
estimate
of a
pitcher's
ERA
based
upon the
defense-independent
components
of his
statistical
line (K,
HR, BB,
HBP)
ER -
Earned
run
- number
of runs
that did
not
occur as
a result
of
errors
or
passed
balls
ERA -
Earned
run
average
- total
number
of
earned
runs
(see
"ER"
above),
multiplied
by 9,
divided
by
innings
pitched
ERA+
-
Adjusted
ERA+
- earned
run
average
adjusted
for the
ballpark
and the
league
average
G -
Games
(aka
'appearances')
- number
of times
a
pitcher
pitches
in a
season
GF -
Games
finished
- number
of games
pitched
where
player
was the
final
pitcher
for his
team
G/F -
Ground
ball fly
ball
ratio
- ground
balls
allowed
divided
by fly
balls
allowed
GS -
Starts
- number
of games
pitched
where
player
was the
first
pitcher
for his
team
H/9 -
Hits per
nine
innings
- hits
allowed
times
nine
divided
by
innings
pitched
(also
known as
H/9IP
-
Hits
allowed
per 9
innings
pitched)
H -
Hits
Allowed
- total
hits
allowed
HB -
Hit
batsman
- times
hit a
batter
with
pitch,
allowing
runner
to
advance
to first
base
HLD
(or H) -
Hold
- number
of games
entered
in a
save
situation,
recorded
at least
one out,
did not
surrender
the
lead,
and did
not
complete
the game
HR -
Home
runs
allowed
- total
home
runs
allowed
IBB -
Intentional
base on
balls
allowed
IP -
Innings
pitched
- number
of outs
recorded
while
pitching
divided
by three
IP/GS
-
Average
number
of
innings
pitched
per game
IR -
Inherited
runners
- number
of
runners
on base
when the
pitcher
enters
the game
IRA -
Inherited
runs
allowed
- number
of
inherited
runners
allowed
to score
K -
Strikeout
- number
of
batters
who
received
strike
three
K/9 -
Strikeouts
per nine
innings
-
strikeouts
times
nine
divided
by
innings
pitched
(Strikeouts
per 9
innings
pitched)
K/BB
-
Strikeout-to-walk
ratio
- number
of
strikeouts
divided
by
number
of base
on balls
L -
Loss
- number
of games
where
pitcher
was
pitching
while
the
opposing
team
took the
lead,
never
lost the
lead,
and went
on to
win
OBA -
Opponents
batting
average
- hits
allowed
divided
by
at-bats
faced
PIT -
Pitches
thrown (Pitch
count)
QS -
Quality
start
- a game
in which
a
starting
pitcher
completes
at least
six
innings
and
permits
no more
than
three
runs
RA -
Run
average
- number
of runs
allowed
times
nine
divided
by
innings
pitched
R.R.A
-
Relief
Run
Average
- A
function
of how
many
inherited
base
runners
a relief
pitcher
allowed
to
score.
SHO -
Shutout
- number
of
complete
games
pitched
with no
runs
allowed
SO -
Strikeout
Also may
be
notated
as 'K'.
SV -
Save
- number
of games
where
the
pitcher
enters a
game led
by the
pitcher's
team,
finishes
the game
without
surrendering
the
lead, is
not the
winning
pitcher,
and
either
(a) the
lead was
three
runs or
less
when the
pitcher
entered
the
game;
(b) the
potential
tying
run was
on base,
at bat,
or on
deck; or
(c) the
pitcher
pitched
three or
more
innings
W -
Win
- number
of games
where
pitcher
was
pitching
while
his team
took the
lead and
went on
to win
(also
related:
winning
percentage)
WHIP
-
Walks
and hits
per
inning
pitched
-
average
number
of walks
and hits
allowed
by the
pitcher
per
inning
WP -
Wild
pitches
-
charged
when a
pitch is
too
high,
low, or
wide of
home
plate
for the
catcher
to
field,
thereby
allowing
one or
more
runners
to
advance
or score
Fielding
statistics
A -
Assists
- number
of outs
recorded
on a
play
where a
fielder
touched
the
ball,
except
if such
touching
is the
putout
DP -
Double
plays
- one
for each
double
play
during
which
the
fielder
recorded
a putout
or an
assist.
E -
Errors
- number
of times
a
fielder
fails to
make a
play he
should
have
made
with
common
effort,
and the
offense
benefits
as a
result
FP -
Fielding
percentage
- total
plays
(chances
minus
errors)
divided
by the
number
of total
chances
INN -
Innings
- number
of
innings
that a
player
is at
one
certain
position
PB -
Passed
ball
-
charged
to the
catcher
when the
ball is
dropped
and one
or more
runners
advance
PO -
Putout
- number
of times
the
fielder
tags,
forces,
or
appeals
a runner
and he
is
called
out as a
result
RF -
Range
factor
-
([putouts
+
assists]*9)/innings
played.
Used to
determine
the
amount
of field
that the
player
can
cover
TC -
Total
chances
-
assists
plus
putouts
plus
errors
TP -
Triple
play
- one
for each
triple
play
during
which
the
fielder
recorded
a putout
or an
assist
General
statistics
G -
Games
played
- number
of games
where
the
player
played,
in whole
or in
part
Pythagorean
expectation
-
estimates
a team's
expected
winning
percentage
based on
runs
scored
and runs
allowed.